'init'

app/providers/InformationProvider/useGroupInformation.ts

@@ -0,0 +1,38 @@
+import { useContext } from "react";
+import { GroupInformation, InformationContext } from "./InformationProvider";
+
+export function useGroupInformation(groupId: string) : {
+    groupInfo: GroupInformation, 
+    markAsDeleted: () => void,
+    updateGroupInformation: (groupInfo: GroupInformation) => void
+} {
+    const context = useContext(InformationContext);
+    const {cachedGroups, updateGroupInformation} = context;
+    const group : GroupInformation = cachedGroups.find((group: GroupInformation) => group.groupId == groupId.replace("#group:", ""));
+
+    if(!context || !context.cachedGroups) {
+        throw new Error("useGroupInformation must be used within a InformationProvider");
+    }
+
+    if(groupId.trim() == ""){
+        throw new Error("Empty string passed to groupId with useGroupInformation hook");
+    }
+
+    const markAsDeleted = () => {
+        updateGroupInformation({
+            groupId: groupId,
+            title: "DELETED",
+            description: "No description available."
+        });
+    }
+
+    return {
+        groupInfo: {
+            groupId: groupId,
+            title: group ? group.title : "DELETED",
+            description: group ? group.description : "No description available."
+        },
+        markAsDeleted,
+        updateGroupInformation
+    };
+}